Home / 81,136.04-111,966.16-44,839.40

Finding the Fourth Proportional to 81,136.04, 111,966.16 and 44,839.40

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Solution

The fourth proportional to 81,136.04, 111,966.16 and 44,839.40 is: 61,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,136.04 : 111,966.16 = 44,839.40 : x
  2. Step 2: Convert to fraction form
    81,136.04/111,966.16 = 44,839.40/x
  3. Step 3: Cross multiply
    81,136.04x = 111,966.16 × 44,839.40
  4. Step 4: Simplify right side
    81,136.04x = 5,020,495,434.70
  5. Step 5: Solve for x
    x = 5,020,495,434.70/81,136.04
  6. Step 6: Final answer
    x = 61,877.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.